A massive winter storm that will batter the eastern United States this weekend will largely bypass Denver, where sunny skies will rule at least until the first part of next week. Sunny skies are the norm through the weekend and into Monday with highs climbing to the upper 40s and lows dropping to the 20s at night, according to the National Weather Service. Clouds start rolling in on Tuesday and by Wednesday night and Thursday there is a 20 percent chance of snow, the NWS said. Meanwhile, the winter storm will bring ice and snow to the southern plains in the Appalachians this weekend and heavy rain from eastern Texas to South Carolina. Forecasters predict a chance of flooding from Louisiana to Georgia and flash flood watches are also in effect for parts of that region. A swath of accumulating snow and ice is expected to extend from eastern Tennessee to south-central Virginia, the NWS said, with snowfall amounts reaching a foot or more.